{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "402782",
    "entityType": "User",
    "nonce": "0x573813f808a79c178f31b8147c1d0e2615518c315cd5c02daf76ddccaff82957",
    "signature": "0x41b8400405d6d4b8eedfa49a52c4ca22b66a9ad329bf2cd6cf415c6eee6906a973eb8eac1ea77a43da8bd3c87225345f217f70967c45f3cb5970fb7f775f59c01b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}