{
  "manageEntity": {
    "action": "Update",
    "entityId": "934065758",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x36fdc18b3c5f7672ba0b655975085684fdc10f9c173a45c69b1ebdae15a65bb3",
    "signature": "0x0f22be1d81b526a5aa3f76875ebfe8223469d3508032a642122a9233d3443f7e273fb8734f2981ee8e5f8b3f31b21c24a0cf966818a9fe55b84f4140832b7a941c",
    "signer": "0xFE17Fe2677AF57d35AbC9CeafeA4FF91C4542293",
    "userId": "934065758"
  }
}