{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317",
    "entityType": "User",
    "nonce": "0xb39ac4f8e00bfb03ef41ab2d22a66c0ffd65fb948b6ede12310e04ed8a1046d6",
    "signature": "0xa860b2a93a4e50be0f7d087e058a209a407b2a1b1483728ddf07f4ad666c1b6210244857453f85929e8cecb572b183f9e8f989cbbdaa904320717a5ccfae429e1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}