{
  "manageEntity": {
    "action": "Save",
    "entityId": "1993634159",
    "entityType": "Track",
    "nonce": "0x028713c6874851187c491f8cea92f5c7d29919b165febde856bf37be543ed5c2",
    "signature": "0x5c7b9b0ca7d78110ce94acab1fc82fe91a3e0932217c31c2daff15422e9a22574225fe73a2b3498d357576eae4397fe3ee4ada6458c1d3a52ed5a989416acb071b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}