{
  "manageEntity": {
    "action": "Share",
    "entityId": "819850548",
    "entityType": "Track",
    "nonce": "0x37c5ccdb8f104fc948120963ea3fe447e3c2c66fd2a9448946444884e49052c9",
    "signature": "0xcb933a6de5af15de7519eb0229bc61d52c6bae467154711e98f692740e910eac6607222f0369b3d64c64047cc67cd129cb452cfb35d8f508455d51c7e6c6e7331b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}