{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1454032",
    "entityType": "User",
    "nonce": "0xbbc1e2506f7b765762b3e3326f6295921b3471ee58dab417928cd62dbafc00fe",
    "signature": "0xacc2082455caf3b380ca9ba4097e3cba33caf86521475fb789f2d6c4af392d8a25601b6083a21f80efa994a7abf570b4d3b7538d2b44713b3b4c6c3d999704ee1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}