{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0xf848c31caa313a8e6fad1914fd76a787d190043c69c713d0f6593e9f3438594c",
    "signature": "0x431ecdf25426ac4c81b15506a2c7087e80a175476416d187032ac10295c1db0a6892dfe9798e425ffd580ffc15f859d4c92128d2cd96084bc987fc22b1a3123d1b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}