{
  "manageEntity": {
    "action": "Update",
    "entityId": "495925470",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9ab1c4f41967537cce18f9aea9345f060c1258cc92a9c255fd62617b9a3b8ece",
    "signature": "0x9765cd0575c4532c296b2bde1610df19145c39ec74dd58a7f1aa1bf5cf922ac220d080ce63b6cf9c966b05ef50258b039c26a9ec8425a449e1fa7267ae5bdc851c",
    "signer": "0x91C1f0a26f0b26BE4EABeb19E371752f000924a4",
    "userId": "495925470"
  }
}