{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "160074262",
    "entityType": "User",
    "nonce": "0xb93f8422ae71e59174e9dd97e625697b6fafed2e283fc74d69285f56a8a35a35",
    "signature": "0x774e3fd35cb07f9d84e584a06ab6914fc9e3b3cfd854f1349e732f46b76951090451d5735ee537b5580ea530e2956ecb008f1d8dc6f144ae287fef25024503b11b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}