{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91247",
    "entityType": "User",
    "nonce": "0x09d8c12d9d906d3d1432ee6804523b1b15e5b5536f4d73941af706ae8fda4beb",
    "signature": "0x0a21e9c7c676248666cbbfa9c33a78a0bd0ea9eb043e0e743db43ec52bc402f4543e93986bc1b42924a1c85c7a725041ed5e07e57a71e5d38c86bdc7985424371c",
    "signer": "0xBb3c1781B4353D3876c9351dFBca44dABfb092de",
    "userId": "64843590"
  }
}