{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "868356256",
    "entityType": "User",
    "nonce": "0x1705c99baf866794738a539bbabae78dae732e968a149f04bd4e0f5c807e634a",
    "signature": "0x596057cfe7edcc127d5ccf0f476210940d6d34ee52180d13dc4d56cb335e86c73bc9439e142121120d37c2d82b88424572249721b3f33137b6ddf3bafd1eb6fa1b",
    "signer": "0x044142FBd4AF7201d53A9BD1d822768a436d6314",
    "userId": "683311144"
  }
}