{
  "manageEntity": {
    "action": "Update",
    "entityId": "230757098",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8d1c3634311d9df0647c782cfb1190da01285ff00c8a0d11e42e089c74cd5514",
    "signature": "0x3847b21106cd9a5d4a27e2434450c85a183886b3bf58edeea147fde7061850c66c33c8b923d6ce3c9f23311154dd89eab918e89690092e592bcfbaf91e9dbd891b",
    "signer": "0xD3185088F646fa4BAD5f754C478D2D489CF56ECc",
    "userId": "230757098"
  }
}