{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74261",
    "entityType": "User",
    "nonce": "0x3fe35a7f39aafc3866bfcba0e945c453ee4974bc28caab25f606ef0247993d7c",
    "signature": "0x6e3887357ba1671d9bc970c3fecd239e23f0241e04aecd33bad437044980fb7e28c1419a93b98c17686537f21c80d2139226e92eb1e369704e22728b381a078f1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}