{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "322923319",
    "entityType": "User",
    "nonce": "0xa84e671043ca66b0c48b1a503aa3bbb838f5a55c42376d750852c26a4e3ca63b",
    "signature": "0x0984efea8e1841cb40b8917538e1aecdbc3e995c60abdf210dac314154619164044b17360d5a17da46541087ed114ec99faa19c116a44607db8be17f52bb08b91b",
    "signer": "0x0a5148A3f132E6696c1Cd3FDA8465fC5fF17d3D2",
    "userId": "803288761"
  }
}