{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1994482",
    "entityType": "User",
    "nonce": "0x296fb37688c79b4785b2fdb2787dc3aa53076a159d3061de50f7393c353ae535",
    "signature": "0xa7f9679a2440bc0599d42820889c499f6814339d2bb580be29c7cd057fab42835fa3c310e2c0cb2adb5682e9de4a9d016ca49e972b94e0bcd7db7f99a3398add1c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}