{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40202",
    "entityType": "User",
    "nonce": "0xd359f94dc5ab68a605886a31ef5becad39c983fedc9b42263a0c040f3cd1f99b",
    "signature": "0x3a6d549506bbdc7f67adb92ca8f3bfa3d2912e289c60b62c5da74a5d383c07a30be6e4e8c75756ecfb81dc431a6dd11188a8c19253d317b06195b438adc7b70f1c",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}