{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0x16631d2913451dbaf800f86461eb4583af78eecfe3c608204e8dab3bf53d8726",
    "signature": "0xbe1ef2a3e4ddbbb660925979d97b31bda41ddefaa7f2b66cdb0dbcc80c463d6463a4e38828bac8fc46d9934c81c057fdd3179afa3dc03a87f8d8951f973944a11b",
    "signer": "0xE92B30ef20734795CF0471Ecf7e3725c78D905B4",
    "userId": "460692842"
  }
}