{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xd594c7950c34a7bda43737eae7b9a5b07ea3f6cc54dcda072c1cb2277d51e196",
    "signature": "0x6c364d1fcdd98d0598205a0f01c5fa9fab5d8029b0523d9624f062bd7a4c55af6cdc1edd9f9bc959d10f305d69cef5ef8424765fb4ad102008ae7d70c4dbbb631c",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}