{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0x8423ac9f103aec49900a2e5347dc1d212a96ba454b3c32bd924dc82ecc332d79",
    "signature": "0xe55de246afb5d7427f0fc1e4b5d33d2eaa44ddfeef10f74af8da68c05a5a9809551f32f3d631af250fa2ddc72cbee677e2522e4b87b8eb7a94e3871bf4427cb61b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}