{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234183",
    "entityType": "User",
    "nonce": "0xb05ed0be17d915682cdd77fb136c2f3715c4d33a4addd400a35e23ffc92cd3c5",
    "signature": "0x595925c2b161f2956d80b7e54d7daeb706317d047f8f35b9ad63f787af08347e67eaee3a387625da21f0160ce96e134c2419eb39d8f475d70cf39dde696548461b",
    "signer": "0x548E1c3e772F1853e347739D56c373D3E0E4A50d",
    "userId": "508662104"
  }
}