{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "906222947",
    "entityType": "User",
    "nonce": "0x36fcdc8c0d2e811c57edb5dd2493f4317b55bcc1ca039408f1fed4bf949918ef",
    "signature": "0x95ca4fb460df3353d5f370f5b1ab4d4416fa84fa7da756c2139c285a9cf6de796ef9e245b5afae52f61549f3f889b9dd0fbf133dc88b6ec2fc227b4efdad9f861c",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}