{
  "manageEntity": {
    "action": "Update",
    "entityId": "317661283",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb023a7b22728ba4e5f28740a32118069d525ef9aa2dea5286d925b1574645e76",
    "signature": "0x6c920e85077e7fdd60e0dfe9d521e22ec04fd4ade8894c1ba9446f59607e5ac15fb7868498ac0829dbca5b6597bfa4c70ba5facfa4460582f60a3cd2a5e357051c",
    "signer": "0xb5fcFAD74E220C4E3b779ABdA6D5Faa34F40c118",
    "userId": "317661283"
  }
}