{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "383719",
    "entityType": "User",
    "nonce": "0xd91a8b9d7b8ed3b8965b6cd3bbe6a8ee6d8458e389d3465117582ad7610f5ed0",
    "signature": "0x7f45b3c2213dd4d5a3fbb154e0407459b202fddabd1ff26278ab385135dc04fe3e34d1ea1389ef57650495a78e2444b230c727927f21683acdce03bd664e909e1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}