{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "796529120",
    "entityType": "User",
    "nonce": "0xf59fc50d544998170e4882101fad3b6db5d75eb291135356e5b4ff1285afcf24",
    "signature": "0x3678eca2c85747cf1d2d79bce0bd9ace4a75ccb6b0cccb906933ada7a750d4a430dbd54f7f1dd12c5807fafd4be8cc04c0c46252a4a26ba472b76e29cbf5d79b1b",
    "signer": "0x367680E9B4EfE77a6636091FA6c2c71749Cf7C60",
    "userId": "40274"
  }
}