{
  "manageEntity": {
    "action": "Update",
    "entityId": "280627015",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x20e5aeebe9e8a6919e8c6095bbe1ae8b57b7c780d4909d48d19b5738f2702239",
    "signature": "0x3a3990721179be109f4653242ebbc3f944be0f7fba9f280ce014fb9e07a8d6a31f73384bb5231b334f304d65612ee24ffb3f504f3a87809a4ff5a7497ff12b831c",
    "signer": "0xD5f034a1974364f9cD887d2fFdaEf2B669309DaE",
    "userId": "280627015"
  }
}