{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "894582993",
    "entityType": "User",
    "nonce": "0x4e3ed55e5808fe1b30b291e2d85e3545ea2043029794d59c5b27ea690d25d431",
    "signature": "0x27432a28665b4acbd4f6e2a1e4df2dcc7c8657c080699edd411f73a6f7f16d67097fe242b5875eab0259731ca9d46d40e39a36b945955cf7ac34fad73d7a46fc1b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}