{
  "manageEntity": {
    "action": "Update",
    "entityId": "233845580",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbe9bbc167860d56287a108ebcc52ed50425f6268a851c63ef31cf01b4cd9da44",
    "signature": "0xf75a00127a158844944b9031dce929e177dde2410d083fe980ef04bc77e9630b062716643f7c395c1db755a8b48dd12f9e9d867fc7f0a692e4bdfdd64d86c6b21b",
    "signer": "0x608aAC7ce3aF4e2fdc1E29090C81A5cf7618eDD7",
    "userId": "233845580"
  }
}