{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x58474bd4277c0f96934c718e8ff3bb434233dff33e5bfe3071763a03a2fea751",
    "signature": "0x388dbd91153ca04003f8b7a5f570aa3270095afac1c24f51a2cbc465cc2ab8227ea9b808ddb64b3f66317e0f5333db8bd166f0188bb3ccb340c4b865a86d17b81c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}