{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1722125",
    "entityType": "User",
    "nonce": "0xbf6b023cb7e1f89300a162c29cc76beafc1a3d1dab07e8e0262fbcdcec597a26",
    "signature": "0x44698e52156fc52ff52bce38b0252bcfacf42d998315e04c9889e0b359e544405a659a49fd39f01b22d99447ca2aa8b96d1a68f94a7a1d33dd5f1ab848b6e2531b",
    "signer": "0x5Bc05b706D3864d34607f61EB1cb128EEf4453b8",
    "userId": "673773101"
  }
}