{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3952e0db01fe3074c2fc76a8f99a03b1ee5bc57f7692586ca06fb3bc58d185d8",
    "signature": "0x788dfa9f5030214acb966a06858d69937afc08b95a90d21a996fc234c047d2a16e13b27816483ddafc5f907b73ce167f551bad03ee77cebf4efc2b63372c437e1b",
    "signer": "0x2E2565a072345523FeCd90bE95baC34859891AfE",
    "userId": "794847361"
  }
}