{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "211416595",
    "entityType": "User",
    "nonce": "0x19a639665ad8b5b7ca01890904a975915afa98bd9853e5472a0ca3e5c1bc0a63",
    "signature": "0x9e4c117e3dcf5e5d062f08dc0971619164ddedd1433aaf914f05fb01571b0ea93c54230a461253bff05c44cd2bfdff86a607d336041f054860b5c8a7dd2a5d1b1b",
    "signer": "0x71114Ff581aA73d1F4b6429D7713914f10e8e90B",
    "userId": "894513731"
  }
}