{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "306414",
    "entityType": "User",
    "nonce": "0xd2ce19aecfffcb9971e48b8e5e32eaacbaf5296f0c6a40cae2f2cc361bebff31",
    "signature": "0x94bf203b7908f2879e11b87829e37d3db51bbfecaeecc367aa8011f36e8aedb226d4358147c3e4707fd8187892cfc1b20e730b52424b7ea00f0b1e53805627d51b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}