{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319758166",
    "entityType": "User",
    "nonce": "0x1556aa72c9859d57ca571370b43dfb1507f7450bfefaac98d8647a80e854d518",
    "signature": "0x17d8b24df9cba06c61c23cef583060544b9a480958b3a52a48a4a57c2a8a12db745d852308c587e422978aa825d7acad027be5d03f5752fbae53f724e6aeda4e1c",
    "signer": "0xA0946D7831f3cE4E852Ce35CdeBB361c6Fe08d12",
    "userId": "326584"
  }
}