{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x3c245acea2c0eb0d9f5c5ba64d9cf5537de71d1caa97ab93bef5b6730e0d8511",
    "signature": "0xf312b85797a45f035a75943b77ece19b5448c690f288ffdee7ed8087bafb1298733f0fdd416c2763fb94d5054154ce14d48db617731dd0272137c271417cd19b1c",
    "signer": "0xa994b8dF5782f9A03370955CD9107820F30cD6Ca",
    "userId": "283342965"
  }
}