{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf5b70fabef24895e859b1601eedb5ccd55954262ca38d316e0e607025ab90b1b",
    "signature": "0x24f7d9838b7a475e8d559bafbb5c28d0ab404b3fe44596d86f9b646ccbe516e04c741e42f2a71ed8f7863aa8e23e81cc35945096cac485b9f9b3e120446f99101c",
    "signer": "0x1ff2ec786297b22C00200f465f601b4b7eeEe17d",
    "userId": "930672817"
  }
}