{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "392153838",
    "entityType": "User",
    "nonce": "0x9e6a3cd9d719870a0b58f60a9271f496ed2e7a8b3e2fb0ca68a04e9bb423723f",
    "signature": "0x3ee1d53527d771eeb46c66f81ff070fac321e2f403ee4900792ee9e1dd04141d6506f715bec87b29cd1dd77753742dabb51eda23a296e3f2fce40316ca9c601c1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}