Adding a second level of decoding the flow will looks like below (missing to decode the 8 bytes though).
[{"id":"1640e766.742789","type":"tab","label":"node-red-contrib-binary","disabled":false,"info":""},{"id":"3ef3d95f.231a96","type":"inject","z":"1640e766.742789","name":"Go","topic":"","payload":"","payloadType":"str","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":170,"y":200,"wires":[["bfc1660d.a162d8"]]},{"id":"bfc1660d.a162d8","type":"function","z":"1640e766.742789","name":"Dataset Buffer","func":"msg.payload = Buffer.from([0xa2, 0x5c, 0x01, 0x80, 0x02, 0x10, 0x02, 0x10, 0x8f, 0x06, 0x00, 0x00, 0x10, 0x02, 0x10, 0x02, 0x10, 0x10, 0x02, 0x10, 0x03, 0x01, 0x11, 0x50]);\nreturn msg;","outputs":1,"noerr":0,"x":340,"y":200,"wires":[["2d23bf58.f55db"]]},{"id":"2d23bf58.f55db","type":"binary","z":"1640e766.742789","name":"","pattern":"b64a => data, l16 => id1, l16 => id2,b16 => family_id, b32 => timestamp, b8 => rtr, b8 => priority, b8 => identifier, b8 => len","x":540,"y":200,"wires":[["c3c48a3e.60d398","30b187ce.57f6e8"]]},{"id":"d5b0fe8e.cf2c4","type":"debug","z":"1640e766.742789","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"payload.data","targetType":"msg","x":930,"y":160,"wires":[]},{"id":"c3c48a3e.60d398","type":"debug","z":"1640e766.742789","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"payload.data","targetType":"msg","x":650,"y":380,"wires":[]},{"id":"30b187ce.57f6e8","type":"switch","z":"1640e766.742789","name":"","property":"payload.id1","propertyType":"msg","rules":[{"t":"eq","v":"0x68f","vt":"num"},{"t":"eq","v":"0x652","vt":"num"},{"t":"eq","v":"0x651","vt":"num"},{"t":"eq","v":"0x650","vt":"num"},{"t":"eq","v":"0x150","vt":"num"}],"checkall":"true","repair":false,"outputs":5,"x":730,"y":200,"wires":[["d5b0fe8e.cf2c4"],["55899ae4.daa184"],["add64986.963e88"],["f608e01c.b8961"],["f29d4f52.94f8e"]]},{"id":"55899ae4.daa184","type":"debug","z":"1640e766.742789","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"payload.data","targetType":"msg","x":930,"y":200,"wires":[]},{"id":"add64986.963e88","type":"debug","z":"1640e766.742789","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"payload.data","targetType":"msg","x":930,"y":240,"wires":[]},{"id":"f608e01c.b8961","type":"debug","z":"1640e766.742789","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"payload.data","targetType":"msg","x":930,"y":280,"wires":[]},{"id":"f29d4f52.94f8e","type":"debug","z":"1640e766.742789","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"payload.data","targetType":"msg","x":930,"y":320,"wires":[]}]