{
  "manageEntity": {
    "action": "Update",
    "entityId": "472452659",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xaff8d93a9858e3c26c3e6b2e69fa89332b0794e36bd628a590ed96ceb08ffecb",
    "signature": "0xb822f341c0c40138a5c7ac3d11fc83f998028dbb4318cb94ffff398ac1f2aca97b14e5b95f73ab71da1c07523569cf2ed966a72ff39cfc1d805763314f9ddb581b",
    "signer": "0x87965b6c004C7885F2Db2C072f71dB24dE69C53D",
    "userId": "472452659"
  }
}