{
  "manageEntity": {
    "action": "Share",
    "entityId": "556074438",
    "entityType": "Track",
    "nonce": "0x5ca0eeb8d3ab36e12bbd00a12b305b01e7fe72c5fb0e47c1b9219fed764210a0",
    "signature": "0x5f4ca8ca51b619a40c0638caa5f5034533c04d820d2e5f3507d2527fdb08417b63ae695a8b154718a2a78216af5da9bab51a321b095615b1f265bfda10b88f501b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}