{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0xc9a69d2f015cde39d8cb3f54e47df59e6310638655110a1d1488802df437a9c6",
    "signature": "0x32f730b8646f2dc4669fdc1090046fef583b3305889899d1b257f7491943c1d33c2e777f53304e89fffa93a1dc5219138e69831a4c10c03881ef8022ced176281b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}