{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281227",
    "entityType": "User",
    "nonce": "0xf0164c48dc4f9f49d23880932da7fa55da9b50144beac4a98b808066cbeaefbc",
    "signature": "0x48a47be03690df557ec5a4209202b13119b592f0b3c6575c624923f6d6d62a1e47150d5910aaa54a4eef1dceaba976048ec419bdc44fd896a95e20dc1d03a6ab1b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}