{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "93683",
    "entityType": "User",
    "nonce": "0x414e24c9f1bf99670c086a1402a689715b5663d33b9663461af9333098d54ef2",
    "signature": "0x3549d0bf4d8015034e1b4c6fe1e7b41f6d7c9c1d49aea821c5eddc165caf6e1e1ff3b0e59271ba44ca8bb65243815df1461ba5ba520aac22986e1a53b291a6f41b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}