{
  "manageEntity": {
    "action": "Save",
    "entityId": "118862",
    "entityType": "Track",
    "nonce": "0xce243d84c5fe3ed3d1bef4adbef1e6a65c53e43b2b83cd247b281aa7ceb64deb",
    "signature": "0xaed0c5db52eeb14f0464e76782ed8d78cb8336de5315771a1812adada406bfdd286c05fbfae3681c9600c16d5b0ef867abe0ecb594e9a69c2a0fac96957c6c941b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}