{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x2e5aae35d3c9c15b8b0b0b61e4d9f0537e3028452a353141bded7a02e7efc1f9",
    "signature": "0x9ec8c52ebd2ba108ae8dc31cab12b43b3740b921d8d3d32bc5b86a1cde73117e5e74849d19e10085fe18bff23e6822103c8c02a525e3d0a6590e43d4e7fd5d201c",
    "signer": "0x18356cfD8fCEF0CfA9c1317D9538cf9f94734021",
    "userId": "855397745"
  }
}