{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "381534",
    "entityType": "User",
    "nonce": "0x3b2ce9eaca0cba1d31965824d97b68ea1da78b30f1dd055ede632ba4f4e7b952",
    "signature": "0x8c767aac7c770cd4ba99fc277d1bf61bf526cbe8c9853d7620cfdb8ed69e19173a7839758dadd6bfb71724ce5e9288222dab66ddc809fa018dd29a0973d90f091b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}