{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0xc9ed0e14e2b6113e5c52cc91efcf3c591ae060ca462dee148bbdc66d1e2d0fcf",
    "signature": "0x8adbfca9ccc3217763d09acc26c96588a4ad6d68e7ccd3e68e98f9246d6e47e100f032a74cda91eaa86e872a39bb4b7788adb74be621e25015d21c503d5e893e1c",
    "signer": "0xE171De63f1F84b0f4C5662B6a78aA75a47c5292F",
    "userId": "741316550"
  }
}