{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "140",
    "entityType": "User",
    "nonce": "0x88017caceb8e754c60f987c8a90e4f2b3bb2081f5340d7e14c2c2ad38a06f8b7",
    "signature": "0x168cb9140eb54bad88db8b97a610d4be653e9860d03c393dae912370271c2d5f7d5ce41d9f975cb04e7c4b2c525561111e0dffd90f7c5220ca4c9dd3b398c2b01c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}