{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "497208454",
    "entityType": "User",
    "nonce": "0xc8047f874fe7789e0d30e3f32621aba88da7a5dbe9308ebe8e0e54b65145c3e9",
    "signature": "0x31a535fb63afde0cbae33e0a3a79f77bee2fcbe931de81034748ee6bd73de52d0eeb60e033a9d08f506205361512ca40fb03db338e5e015f7c39779be229eee21b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}