{
  "manageEntity": {
    "action": "Update",
    "entityId": "364723586",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierattvbmk3j2w67fjotjhymaxmym4tlkhsgfdyly52ktiq4afqhe4bq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":834492002}]}}}",
    "nonce": "0x0ce19e9d721997607723522f9e63af9110adfa1aa3223ad32824c10bfa9755d8",
    "signature": "0x62a031c7ef43f6316a2a174496b9b5d1ef032f02b7766cd7cb27252dc0efcc5e769c8871b785e27e9eb6a88cfe39bcd8ec54d412efcc42118f8894d3d5cca5091c",
    "signer": "0x5430C2D9878e83eC477A1335AeB7Dd77c154BaFd",
    "userId": "364723586"
  }
}