{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "171452",
    "entityType": "User",
    "nonce": "0xc3c3e58ac48102a56a7f24450bce9138de1f13b928c8dad9b910a83598f10e86",
    "signature": "0x569b528307d2c1c4fcc0ac9fcd2c7b3ddd412bc7e324b7b6d6afc09bb6de74110d543e13ff3932987b52b7ecb05540d84dcc86e9fca868741b7e6333da79718d1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}