{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9fb97618413a919b5a3388be883f1fa50563cf04804f4eebb6f0b5a5043ac0cd",
    "signature": "0xadf52875d623b57efb4eb3a16ba1546d12124f3c34d4109781cf724e711c1e7a27613a12fed5d9d06993bbdd1265fde2f7c5dbd56099d173b1a1619a5363bf7b1b",
    "signer": "0x2E2565a072345523FeCd90bE95baC34859891AfE",
    "userId": "794847361"
  }
}