{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57742",
    "entityType": "User",
    "nonce": "0xdbb8eddcf5deb386cfa7c4c75da183cf88c976b5df03f653e338dbdbea7cf53c",
    "signature": "0xb078c4d7029c90922ea08994d28be9810b1d41c2ff5537d9bfc7d6137423aee237c5cd4f7a4fb6f7d58940d5c63b142b7e075118a33d3dff9f359574a53123e91b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}