{
  "manageEntity": {
    "action": "Update",
    "entityId": "361508277",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb00df963a65197835dc393028428ee126cf8b68ad0777e07ebbc97063f608fbb",
    "signature": "0x05c49c781784892cfe02b83c030a7a03668da6967118def8e1f05bf6580c99083d1710cc84a0691196c1230034a1feaba0f3fe278e841a68c0806b5a19ba261b1c",
    "signer": "0x31bD11C427B52Db08B5145212FD90Ac4d00A1F8f",
    "userId": "361508277"
  }
}