{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "438036",
    "entityType": "User",
    "nonce": "0x8eb5c58cd745ed8e034c95698be6fa328cde8f5cb0f8e0e95c828c456763a329",
    "signature": "0x6c22fd1775ac4ea664f267695d463ef3105f33360d5467cad7a75db5fe375abc4987b5f726a019e1496f45d05da03fcd75f3b01fc0534a5297035d0cc367ca8f1c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}