{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "241147",
    "entityType": "User",
    "nonce": "0xefafd2ba91cddddb94589ccc625bbf14b5242ce80ee9cbed0b0167fa171cda03",
    "signature": "0x2157ffad95e2140c2c944a74b9dd238f46a68f59901c638f1bcf44c4c74a7895027e1470d6fcadc3ffb84bdef2ac5f692bcfeee01db47dd59a1432554beb50411c",
    "signer": "0xF7628Ea36C0C266E289b7538b033fB949A6C31ff",
    "userId": "386745392"
  }
}