{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1416915",
    "entityType": "User",
    "nonce": "0x9d8adc0f9029d94c0f2b5d23849556bb11155ca83d6bb5c66d63e05328ddba44",
    "signature": "0x593bdf3eed20c7a208076901d0cd1f3b0c8b915d8b18e656b78c09f1446748dc4de218fb243499ec9c12d79bbbead44e2b28eef4cbf740aa694f4273815dbd891b",
    "signer": "0xdF94159720AB889b4D53EB68Be2E4869f38b9eFc",
    "userId": "863573949"
  }
}