{
  "manageEntity": {
    "action": "Update",
    "entityId": "652541246",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xba152a2deda8bbd2058d76d365dc371a3d0b7b21bd283906844638be80d9dce5",
    "signature": "0x6c38ac4ccd57c96a7d464d48b5d1330f9ed65cc7ade51cdd3a6aa48df4a8f56629c30a573a7c6d06157ec2531314629532f1d5b870d55572f38bd5afb739d4dc1b",
    "signer": "0xBCa8DBA02e5d025416Ad3a7487bB184bc45c7533",
    "userId": "652541246"
  }
}