{
  "manageEntity": {
    "action": "Save",
    "entityId": "2092110069",
    "entityType": "Track",
    "nonce": "0x5776c24720ca4e5fa4ba5617523c6d68e51e28bf00808ea7c4c804f6c333ad23",
    "signature": "0x81e1c37ff371803276fdacbc628e4b4fb4599d77449270cab4e51c88b0fc5c9f3ae1cf023a168ca961d044a56290fcc056586caa3e3ae2f34260208b3f83d2e11c",
    "signer": "0x06F989586c5477333A41f6057f224Df79903862a",
    "userId": "24240642"
  }
}