{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "932588729",
    "entityType": "User",
    "nonce": "0x46655b20f7180e4f5ab0c5e7c5e715c95f64e0b7f32a112cc74433165a0d594b",
    "signature": "0xac5cad394da90fa048d0ff6f112793f42ef19ad4e93a57defa7330b6301b013920e627eab71455165713f208683c626c0bed9236ed0bb49adf69f5e45e9bc8211b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}