{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "313481598",
    "entityType": "User",
    "nonce": "0xfe72f5306738483ab9d95a44111bdb1c684ef4e187fa6962d3146836276ee345",
    "signature": "0xc13d0c8a5aa9adfd3ec98593d7c2596c1505a7de3282b38ecf441108e0ce50d346846804d71b5144f49f18a062f53b1a598fdca8580250600475467e8df990ae1c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}