{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281227",
    "entityType": "User",
    "nonce": "0x5faf9dac09710f6b2f803767a3eabfb51d1b39290faf6f234150ff9000700c6e",
    "signature": "0xc0e519d6f2fc5c6f2d3c27e2651c5d850c788c6c645c6d1f9e5afef3303154ca6822d07b7309fa26db6ea8161465cfff52a0257cc319717dc0e1d118a7c2590d1b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}