{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0x908a191af37aae5a28bb6771ddc2d37a7818e62b11184bb712c32033e520ba9e",
    "signature": "0xfcf6e5188a56327aae0389929a3bbfad9d8a7d9dfbc46c02f645fb0d07e44a3a427672496d13f077554b90fb4867969a27a0f4652adb2ae5f942a3f33833b66a1b",
    "signer": "0xB9cEc556fCC8ef798bd80c79aC6631122F693A87",
    "userId": "492038763"
  }
}