{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "45518",
    "entityType": "User",
    "nonce": "0x83fee1839efd7481adb82ea28779614d87f00ae41f9859220b129a817d3e51b7",
    "signature": "0xa8ba58e650e6934bc0c8b724024e27eddb082cf91223272f084a023d7639e0b5695ffba4b63b8b4e5ea9b5cc79baaba09772c2f30f041a4cac80fef79eaada061b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}