{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0xb99b91b11854c9b8086003a9ddbd5f3ecb6b67d549832cf15592357dec6b8a65",
    "signature": "0x0a8f91b956bc01c5a0c2fc40f4c113fa759f6a92cfb3479633dc80cd631ad6822b4afc1269e1b1790f3b18a7a6c8427fbd5ab387e48021c4705772110463559f1c",
    "signer": "0x28945B345Dc8334c21B4e932dA506ca6Fac7e18a",
    "userId": "290283513"
  }
}