{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182902342",
    "entityType": "User",
    "nonce": "0x8ed73c505c063b9bb5ce822b5254f4310332439c75177fec404b1f393ae451ff",
    "signature": "0x2cf7f15f324b6bb168df1b191021204cb6db06bb9c9fa6f8533d73d9335ddab070b896b5ff4ccb0894c26b7e2bb22ce94bf7ea492434a0b1bfd3c558cb0fa1f11b",
    "signer": "0x9FF2A7F5Fab732dA57359bb3eD63a95511bD1329",
    "userId": "67863854"
  }
}