{
  "manageEntity": {
    "action": "Update",
    "entityId": "508307433",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf176b5be06dcb67927c47a879b8b8d334bcca82b95c55243a4e0fe0ceff2c1f7",
    "signature": "0xc67c24d5723cb38ae5b9cb2210eb0ab4fb6d6a5bde36891fd62991b93496925a2b3ab121ac8f13db4c08b3fb027aa3bc503ed466ecaae9b627a8a690b55679c01b",
    "signer": "0x02aB27E032095c55Cc0aB50950Fc3460d0Ee5B1E",
    "userId": "508307433"
  }
}