{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "764",
    "entityType": "User",
    "nonce": "0xdd8ca8882aaf0f1af79a12b9d0e730b06b53d3ca003f9d55e6be75394a715e0f",
    "signature": "0x47c76af2ad7b63eaa226da204a086e45c60bf2a9a3a285e9634afac5255068c758bce380504c5892461a6d36a51c1de722e3a4721322233be09911bfd6adb2a11c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}