{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68177",
    "entityType": "User",
    "nonce": "0x3cf72d0cba1d5ecb24e1f8493740cff249415f69f5907d6bbdfc8f25eb9d2e92",
    "signature": "0x153fa422ba7de24d75a7bf0043985b96ec4d721e7296d8040363b4415464393e0c2c9c3c437bf01c679e1ec725044cb10c21e0c7ce157c45257db15a050a38961b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}