{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x96c40e334a5e8fc89956082eeb00b91fa986875d0430354c224089ea7ab87864",
    "signature": "0x95ee56f8e9f7cd8812b18932992874f21bb39ccc021b13c2cf8978bd479470bd1d563f31d937aa38af40060f55181efa5a38c6d60949c756d95b9e5db09a1cb11b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}