{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xd2c17a21056a8f7c65043c3d33d3cf579dbb0b14067a326bc2f81f81cd4a12f4",
    "signature": "0xf5e6e18e0d4048bb6c9e5f174060de124b08e977f83516c7b473812dc5e271a0125a3da72c59717d9154208a49e6daf9f9f5ba1d76371b6e537f44fb28ebf72c1c",
    "signer": "0x5Af531A9cDF9747df40f57531227d70F1bdD2ed7",
    "userId": "511108744"
  }
}