{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1655340",
    "entityType": "User",
    "nonce": "0xa671900248b10cc8ab93f1fb7b30452825f354d2e41bb8e47bfcf089d1362983",
    "signature": "0x748fcc016e9c0ae715bb295c314e2730cfb5c5a403a8202a094ad46ad9fcabc90107c6e75aed0422cfb5389af1cb41fb843da4bd254ad01be32f64451413032d1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}