{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17653",
    "entityType": "User",
    "nonce": "0xa747719837be16d58ed9a93af4f87eebbd568409c5c0a20dd3ca9c5c520c5907",
    "signature": "0x905999431bfd66781d9b395b3d83139f6dd4c467fa536e5c667e8ba3695fe9d26439e18ff72f146ffba08d20f7f3d5eeb8807231f49fc973bbb5b983b0b562e91c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}