{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100976759",
    "entityType": "User",
    "nonce": "0xab7680c0a04d6ad42d662d6131770a95790c8665263226dd5955138afa548f3c",
    "signature": "0xc9aa74d0bf526327ee90eed670df7b3c5527d97a518226e2a27f25ea99d42e05257f431b9e0b1e9b0f9d92acce1339b27f01d9a49ed5d44d4f06838822e923b11b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}