{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707981838",
    "entityType": "User",
    "nonce": "0x33e495a0eb45d7ee41e938f973a7e5795d1c699a084a99722f89bf7594920226",
    "signature": "0xdb90799063b8d2e7f388705ec29bde0a7ab52193d86f4fd1b59b876bc8af6f156ab82f88a4a2888d35adb414eaf93091d3b4f6950ee1e111bad04531b2b5b9121c",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}