{
  "manageEntity": {
    "action": "Save",
    "entityId": "32680175",
    "entityType": "Track",
    "nonce": "0xe23850f900669b55924e6b874f1f54edaefbf6952d1db88d0a3c585c604f5150",
    "signature": "0x82a77449ea1802b81d0cc084fe41ec9b13a67e0ff8a9f738615bb6913fc0125b20cf512230b15ecc8a7263503223fc61fc1c5841b24fc1d172ff80e8fd9ba9d11c",
    "signer": "0xE7c5B65B708a4B3A6F3340Cf03c31929Bc6e8e28",
    "userId": "205876401"
  }
}