{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127651",
    "entityType": "User",
    "nonce": "0x8942a92d657f8bc6980a2aa0cea69e91b939bdf8f5239c38f6b56ba60ac369cb",
    "signature": "0x66fbecc11a2401f84384096c938ca1722624f95a89852238e9326068a62ec9b84cb0a87b6b7c26a5ad39d0f47565f88133e13cc3083102c668063af81acf533e1b",
    "signer": "0xE4c0c73a0c0CD7f65f1bE942f8127c8753aB89D9",
    "userId": "857284925"
  }
}