{
  "manageEntity": {
    "action": "Update",
    "entityId": "568753504",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4856d8b39d3c560c22b267e6046f900c0dcecbe3136d283ead0017ae28667962",
    "signature": "0xe1fbd8700e8d5533cd7b98fac8992bd5d61e35d0c9c75010d0a3ed31f9bdd00a0a8d93b98ae42417b81d54c63425890fde0da4026fa40884a979693a213cc9561c",
    "signer": "0x0BABf898FFa62584d7601b167657B9452DD4fB05",
    "userId": "568753504"
  }
}