{
  "manageEntity": {
    "action": "Share",
    "entityId": "337439975",
    "entityType": "Track",
    "nonce": "0x19cf556621d43cba862a5227f773bdf62eca24d19feec02f3e977141dd687627",
    "signature": "0x0bf7f14dab46eb9f57cd101a712595dcd6730702acbdf741202a46ce4ac194e024d48b678027a852ea7baf628acb145f5627d7f57cee984a29a4cf72cab9bab21c",
    "signer": "0xbA83b3D0645C0C99c76cB296B0BA81bD641DB81c",
    "userId": "951995708"
  }
}