{
  "manageEntity": {
    "action": "Update",
    "entityId": "945551895",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbd04b3ec1c26c970dbf6e0d9e67d680ab583147b9734605044d9934470a27587",
    "signature": "0x22c2376039f67783ac00ba12b46392d1dfe25fb8b962f634ae16b75b8a3ea86c48a61b09114589333d70cb4d428e05a9fe078f507f32ce9cdddebfc9236171dc1c",
    "signer": "0x6C8dB27dBE0cedf9BF235d44F3c7Bd9969091098",
    "userId": "945551895"
  }
}