{
  "manageEntity": {
    "action": "Save",
    "entityId": "1116033796",
    "entityType": "Track",
    "nonce": "0x914433b3fce147abb15df67304d55dc5e95d1127b4ede795925fe8faebfbb4e7",
    "signature": "0x8a40226d929aaff3bb91d2cb131761d55405e1748e7327c4b51002a8193438d60cd9bf2b561928d357e06793ee602b1f2ab1743b7f2121fbbbd51c161728238f1c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}