{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63083",
    "entityType": "User",
    "nonce": "0xf048694b9a261d01f22d7bc09a1aed7979456e36e59c7d3a31b79ade1d250839",
    "signature": "0x8773ecf866be88a533b2e8ef772c7fd296c453135db325dc3aa89faaa1c1a89564198083088d6b0841401e5a56d19b761d7a6ac2d35b5205397fa22edbf328a81c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}