{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1546484",
    "entityType": "User",
    "nonce": "0xb5e51aeb8734ed0be4c20116dd4af307eca42f2097c0e19c3d8718fe9d4d6205",
    "signature": "0x15441875e694b3d1b59e3d7153dca605b2d048ec846e5a20e7971e2225212a8d6822b73eb77b5d05d9f930a34fcc419ff36ab165e85a56d8467e0c27ed47b8c31c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}