{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0xcbb5a4bf41a1480eff57732fcfb979dfc04c8b7c823b8e4d0c484621078e4f5a",
    "signature": "0xe1811e35a7c9cb341a95e410a1efb33721b056bb15283cb944f71c375a94ae623c8ac22f21438255480d8312948105cbc05b07a516c1cf516470d41c51b9073b1c",
    "signer": "0xa8B3a827Bf5b7aCd6fB1ED7Be940E2F4D69d710e",
    "userId": "599312431"
  }
}