{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "709077025",
    "entityType": "User",
    "nonce": "0x4d78945c6a881f5fa1aad650772f7c4272096c77b5496c25947d447c9092d3ac",
    "signature": "0x9717b1da614030b9e8c8dea54a61a363e9780963e77708dafaaef0f07c2bc3b673dab3f97317ee18ec802361c8cfd7ae378446d8beae6b528ff95336835c5add1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}