{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354535",
    "entityType": "User",
    "nonce": "0xf58b41a6c04d02dcd59e12b663c4d24173f14984a931bb0ed4e2d2be89bd4f17",
    "signature": "0x9b6cd00e55143d63b95504e0d71341a3cb629538daf45673f204a9b3f59450f17a935eaa2a3ba0c16e415aae56dadf62ea6155f593829fab8426955bc7630c251c",
    "signer": "0x9837C03EAdfA74365Cdf4e01e6840D356104bFab",
    "userId": "911622928"
  }
}