{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "948584098",
    "entityType": "User",
    "nonce": "0xe2b90284c318415bf8ba92e47023b6dedf68c0396bc45aa90da889d68b53345f",
    "signature": "0xf1f37138dd74f19324c6c638d2e41205d65c2996d31b9dca5a698d8c83df7ab05fe899781199e22a47a3b63049537f5dd990fb702bf93b94cac4f921bdb541921b",
    "signer": "0x9FF2A7F5Fab732dA57359bb3eD63a95511bD1329",
    "userId": "67863854"
  }
}