{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x3c6ef8c7b10345fd97c56a99fea0b475c976d513f7fa17b2d9ec8fc895acd2fd",
    "signature": "0xfec288158c70289460c4f0fed85a5e405c36045d1ec32bf6f5ac3722eab0fc8228ba682b255b36bd76603b6bdd27fc1f490e67e47d7384772e6954b920826da51c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}