{
  "manageEntity": {
    "action": "Save",
    "entityId": "1092075827",
    "entityType": "Track",
    "nonce": "0x0b8ef9d6d9c249b78ada72f715878d1b398217c5555c2fc88dfd00fa02902d11",
    "signature": "0xb247ac85b0527164a8a69f73a0e435a421089db6314f617734567bf619586cee763eed6d3cda7348a04d6d62e8d2b0201266b18c161144f4de2828e24a9ff24e1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}