{
  "manageEntity": {
    "action": "Share",
    "entityId": "1621990514",
    "entityType": "Track",
    "nonce": "0x96ca2945e12cc5963df932b73628dd427fba8f5394df82b764c8be1146db30d4",
    "signature": "0xebb8e6280714593c07bd738a44876d4fb547ff20df54a554b2d7a3581c71f9320b2d0f94f4c8d13ed4cf1ca5380c00d45a9561c83390ead40785edb64320df271c",
    "signer": "0xc3f21Ec873717446B11fb2C1ebE2CAdcae33BF34",
    "userId": "820738042"
  }
}