{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708795899",
    "entityType": "User",
    "nonce": "0x9718604b99a915ddec588e7454272e8d73e737868ae022f376706ea9b984efa4",
    "signature": "0x729af6b6db9b08494d6698ecfd581218693a7521c79bdad5e6dea96786b75389645c9c204f8f7f84acba0954405152631b68fe67e1b452a0da24bf241e656ff01c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}