{
  "manageEntity": {
    "action": "Save",
    "entityId": "36059",
    "entityType": "Track",
    "nonce": "0xde2cee7ef805417bf3ee99328e1b7acf01320ff7c79a28dae25c892347dda8fb",
    "signature": "0xc87ecbc83368939666fd2db1bd8d099c6ffc6b22c319f30a5da9a373773e378902a8f3c70e70432a8c824481d75941e81cf1f6e350ae1f63b1ef6a8ae20c22d91b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}