{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "813077144",
    "entityType": "User",
    "nonce": "0x671400f45ded57642195cd6453df06c0714c8b213d5396803d63b86d8d823f67",
    "signature": "0x5aac3ae8d3947ae4b84d3268754024ec58f0bad38af11cfa3a5b4e6111565e0c31aa77e4a22020ebc923bbf4060b52dcae9ad30da04e0c780a597000da9651901b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}