{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83749",
    "entityType": "User",
    "nonce": "0x87f254e94d5267929b047faae7ce551ae2f291c4a339200762a829f4efcc2c6d",
    "signature": "0x44173b067dda4807f9529aa38938aafe42c5e17d0ce15b570b73a6ccb1c79fe72c58f8c41827058793b16d9aeea6230d79c6098fdf574b4660b4181fb142fb141b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}