{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1786871",
    "entityType": "User",
    "nonce": "0x0c546cfe6e4aa42f808523646c29ba09d6e7674a41045e383b0dc3bb73d00663",
    "signature": "0xede610c3b36fefe199736944904f683d31ba2c9df1d9a342e0c43a4461e5354d701e417212208cf82e90f54052b76ede7fe72b09229c7d6bb2c515e6f0461d6f1c",
    "signer": "0xbF01d3816a6F4764Da6dF0CeFC8C48EEFdABB333",
    "userId": "419795889"
  }
}