{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11153747",
    "entityType": "User",
    "nonce": "0x9e5c120390fca6f4f6f229a02981b235ad0dbf3fba05a8902f82d28d9b0385a2",
    "signature": "0xcb576c2f063908ec5b07cbcd4793c74759d87325599948ddd31a4a3f6bc78a962bda13f2af886f852ea6a4f5de9a10edae8465281c3f038a007b659af50887f31b",
    "signer": "0x5C13CD392EcB86FaceF8A07FC5B300833E86cD23",
    "userId": "167249"
  }
}