{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203752",
    "entityType": "User",
    "nonce": "0x95f2fcde81a44a7f336d3eaae4c7ddd8528abbddd089fbcc8d71d8c7728a75a8",
    "signature": "0x5bf633da748e63afdc057b97891ef00a2096c0ccff69b6ded9c7b9e54da097176a346b13906de53b0321081796a06c658e60afabbf21e40ce56045039086a46d1b",
    "signer": "0x4950A7c498b6c214e83B79502162b7f248f9e6ed",
    "userId": "499895630"
  }
}