{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "189429",
    "entityType": "User",
    "nonce": "0x824792b8aaca74a399eeb6cd83f0cef9ed92429b4bc77a032fd841911a85e9fb",
    "signature": "0x9e7dfcd29d44021e6789038d92bb98d543a1b5d356284c6b4a69e83d3c1c0eb36ca31e327641dd6493c64d60972ae5795f09df6d8dd7bcf2b6cbf91cdc8ad5001b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}