{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xbd614c69a2752b03e4a406f507ab812785615667c71ef7879fd74fb0559c477b",
    "signature": "0x98a1b4c59e21125c7ec8794578eaca56f1c7d8523def29dd0cd990b7c149f45c7d93e512454409e5889c99c099c9f38ddf683279fa577a2a711ff91fee6b39f01b",
    "signer": "0x6c1C8d036b3c0119e31Edb58B17D120E6e91C833",
    "userId": "206524150"
  }
}