{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "764650114",
    "entityType": "User",
    "nonce": "0x42f3503c3af676252896c84ab178c03aaee3579eac0204794acfa7629b0bfd00",
    "signature": "0x72dd4d087391540df45f3b8d59da247011483a04ca19980475bb587c577c80ff42238ac6a6713fca117b13265307eab16be7f4dce9f9e3ea6791a4079b07c5b51b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}