{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67683",
    "entityType": "User",
    "nonce": "0xe6cc238391ffd8816ecffc96aafbc5695426426c0ba88830cefe2794f5368e84",
    "signature": "0xd08fda8d6feae64b2086cef4b9540e6efab5705a591ad9c13b73b96973380da86a787c924f29e513e4552d09569d3a9f98145ff1f1513d965bd68ee57fef978e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}