{
  "manageEntity": {
    "action": "Update",
    "entityId": "741417198",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbea40af26796c54fe7799de9999a9f1aa2848ffe766194b067528ced055b7e0b",
    "signature": "0xdaee8d7678ba1d3ff47d4f0b1ea2cecb1fb4ecb64fd914009d80f3c22417651d712232d58bcacab259d856053509285499e3f825a87e2e26a557c17f8382be801b",
    "signer": "0x9db84b5af18534d8Ee180c90E1377f813B5Ec313",
    "userId": "741417198"
  }
}