{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1410546",
    "entityType": "User",
    "nonce": "0x6c83c37897187d75e2ff24c24710485ac3fe84e97f77389497a2e00506d15bf5",
    "signature": "0x84b2ffd86d3d03df7afa3789aa5de9d38da92fa77d7c43cd6942782509ec0aa750c59e34a19447a3b0745498f889d7b75bd4f52ea78801991f1c817c9193da031b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}