{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227068227",
    "entityType": "User",
    "nonce": "0xd1e8422d0c21700dcdb8a93c527e5e4fad152e221716332e98a43ec83990b1c3",
    "signature": "0x607a1557ca534adb4d73af0b3091e5b9087cc387af8efa59bc79f0bb6808b9894377615e33ffaaf00153f00f3edd2227963e6afd0864cccba877948df33b58481b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}