{
  "manageEntity": {
    "action": "Save",
    "entityId": "2075417834",
    "entityType": "Track",
    "nonce": "0xea060d0134763e58c67fe8193831422923816561653e3c16479bb6062dc29c97",
    "signature": "0x283f175157df0eb479f9c749aa544c3ecb6914d80e50ef232488e93e6903b5cd690518495c19ec71eed8f9916c1210349abf858a7774485478ccf8c66f63fe171b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}