{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "484365174",
    "entityType": "User",
    "nonce": "0x270f76b5e958c1f607a1754bf2807828e70c833329cf19dc3920dd76fc70f407",
    "signature": "0x9922a58e4d483ef58f11c0e25a2ae5d758853aee4e2f381ae663235a3c939e365a1fc4aa8f42f8456c22ec50580462c7b87e522c59ef85cbbe3277b9d58d63221b",
    "signer": "0x41169dA28a7d95b19615713245D5f46546c83008",
    "userId": "931487252"
  }
}