{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "586538062",
    "entityType": "User",
    "nonce": "0x17f2d848194ad71559b58bbacb34f298f362a2fb1ec0e8ce73facf4dff419d62",
    "signature": "0xa9bf7e7a6e66f12c154c2d0674bfe24e6cfedd3d8c8ccf0181887911bba2f76773593946f9c33ec34bbba16a2d9b52a64fef1281f2d14442a742f8957e0d0c8a1b",
    "signer": "0xFEB47814dEd95a50671914Bb6633f3d3cD11BF6D",
    "userId": "178403563"
  }
}