{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x621a5225144288aae133ffdf552874ef9a667f16fc22b9c92ecffa8c2103f2c5",
    "signature": "0xcb0a3a14b027d19a5094e8d35606162ef558e78a73d2e807f2c2a339cd23ce8420183a96e86804478fe6a159bdd06cf7b288c851737a7e3d9e9eac806a9eefa31b",
    "signer": "0xb788808d4CbaCCc0c39a9F386833260d834567DE",
    "userId": "981621250"
  }
}