{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x4e42269a8124ed721acbae2cc2f73faa7d21f66b1a2555451d1c111bfa164a14",
    "signature": "0xf45f0efe5323006116d56ca9f2d2ce12223010af9c156ffa9cbbfdc1f6b27fb02b5b14df84d4ecda60480e6c947a2b6e3711f413051ab41bdfa1824a172a27111c",
    "signer": "0x71d0bffb1011D6Adc66839Dd71b9e177a5B5dc63",
    "userId": "722673517"
  }
}