{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296295",
    "entityType": "User",
    "nonce": "0x65104075edd63ba8d857f475d701ebdd0cc6995d10ff0dd37c53e3bb37a11f3e",
    "signature": "0x5fc4b522ad107efd8d4bc3a85edb2b93a12ccee3f16443c379ba9dc89ae416396da36656a5e1e7a0ba34e9b9b72542acf1227cc87a9523262b78d117c021722f1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}