{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "774705332",
    "entityType": "User",
    "nonce": "0x28e3fc7d3df8912397c9d05ea034a3853e677a80de4442d0e4f9c9797e16e3c5",
    "signature": "0xbfe231d7565d9aa3e500ca097b68aa380dcca56773b5060c41168062581bef9e7cbe810d7ddd8c7e703231ba0764b2c7e83f717910418ca88152ffc926d913cf1b",
    "signer": "0x796D60E9fE921C82Ef20f6329e27dD246392f542",
    "userId": "809803"
  }
}