{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xf737c56d938dc712a00b7cceebf754338ec79e0647ba90cee1823640f35413b5",
    "signature": "0x3eb4cbe8ef4b5a286049ca9ad343b3c6cb8c88921191c6f44b2cbc2c8de054d713d197bf09ae33c632b28d0483719b67b7db130d627375c55ecf16df0c4f56ae1c",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}