{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70694",
    "entityType": "User",
    "nonce": "0x99fbe473c9a8037a880be96c90303384ab95515c9ae41a94f795a9e821338d90",
    "signature": "0x886fe563879d83ffdf4dfcdaf509bb7369a9b7d1518cbeb2c183dd32db66a4fa1a984a3bc32c67edaf164d1cde1a2bfebc66b5a4fb245f7710b3a3b3fc0bb0bb1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}