{
  "manageEntity": {
    "action": "Save",
    "entityId": "24410",
    "entityType": "Track",
    "nonce": "0xdd0f362395bb09888470db56b7e7a1463d7130a67ca1d736f2e8b7ab19af6e1e",
    "signature": "0xd61091b6f26f11ba957755856d01deb04edf0c04bc87c63396ac25acc3efc62c0aabdab5839a811df23493b13cdb8fd360564870204b176342517249a53575ab1b",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}