{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1722125",
    "entityType": "User",
    "nonce": "0xa9bbae01e155c407f4e8ebcf80fc635ebf1971d4a75598b574543241e90b663d",
    "signature": "0x4689b358be117d5ea53d22a6c46d6429a4d1c173da85f5633ed56c036a8ea91740139e98ed20f100bee24eab0a68900a8c1b377c1d9c444faffb283c45a8e7a31c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}