{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "246714",
    "entityType": "User",
    "nonce": "0x47cbb4d69f7e1bacf57d6b27acf1b9e3076099701a0d280c53e8bbcb06216142",
    "signature": "0xf952e2cf440c455920c78b7a9f349edb915d2b0c29e346c8e5495f5f933fe73d6dff64ef0a41fe5877ec970e6740441553900236ec759a31a4cb6fd90e81d6411c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}