{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x337ec2bfa1a168c124cf50cd6ac9513456a8785822210b83d9c33e28c4e575b6",
    "signature": "0xb741e39fef7917e5a54c20e0678f76b5f1eb05fb983f3a95d8c09d0bb28676645f163f1a2f605ea52419ee4b216ba1bb322351c13a25a90f83a2a2b4977517e81c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}