{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354535",
    "entityType": "User",
    "nonce": "0x1949df5d437f6a3675751321aee9918ecefdd97d116a30cb987dd16d32ccbfe8",
    "signature": "0xc4dbbecaad849cc5abbfac57deb6bc170949389f01c7b7fb3788faf5e492266d6297c090c733972eda1d091fba791ed9e8db6528821da2cf075e6d4d60a43d781b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}