{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1996082",
    "entityType": "User",
    "nonce": "0xcf63452e2b84e66480834c50396db1baa2c7e425fdd20ec17a6616151978ee93",
    "signature": "0x365d7227b30e97a58c5f9c3be35be24e8da3892b8d3a55aed53052ed41a46dd3406b9ffe9fc5dc30e89807ef5279590dca7e4196d4c356f9646898bbc338e39d1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}