{
  "manageEntity": {
    "action": "Share",
    "entityId": "1999376302",
    "entityType": "Track",
    "nonce": "0x5730dbea5de55e8e1c34a161bc4506a10db60ae20ee56e2e3e743cbedc58e7f5",
    "signature": "0xcb20773e5308f967fafc8295123214470901154eda4048dca1c322659277432004f57f6a1862d5a5f9fd36137a4c1ecac649a5733372c86b9bb0b129e28acc101c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}