{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x6a6b9cbf1f6b937d523bbaabc48108dea4a4cdc97ff100ff8d00f54cd03cdaa5",
    "signature": "0x05e71d486bdcb0cf13eb414886e6c9df3957e0693af5d851529b152718410a3f69bdbfd17993dcab13563b860586c2e38571ca6d845d23d3d14c12adff1792be1b",
    "signer": "0x8115D0ebFECed33C8DCeFf242B1a6a568F1260C4",
    "userId": "200742055"
  }
}