{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234183",
    "entityType": "User",
    "nonce": "0x9bdcfd8caaa29290070c5c9fa477091cac327edeadffb9f4fb3b8ec6a6df61b1",
    "signature": "0x42df033ca193241a74f5aa0f5dbcec9a7fefc4b201d1a57c20af99cded038f8e7a17d19350b545a506aa88cd67025cd30a63b7fcb60ef3eb648b4629deb156b81b",
    "signer": "0x1c4Ee34565eE3A8304706138026D7518821F356F",
    "userId": "584804802"
  }
}