{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37338",
    "entityType": "User",
    "nonce": "0x2914c0a6b64056324b5619fd656d88d79b5efae96709493d6ae8076bf21c7a63",
    "signature": "0x1216d684bb213ddc3b494a205455f508c02c9dff835a48bce11b993c598d73c75b68734215845e7e5202fa686b02d6c06c7052b68affc189ae5c6b7c7073785a1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}