{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33388",
    "entityType": "User",
    "nonce": "0xdb76133baf07a7336fd2f7b652750f1fff2055f0750ad87962038f734d87b0f2",
    "signature": "0x0521dc72a2be873174985889374595961972b4cff645154acbdfb7fe43f785f520c833279e4d4fc1485fd733fd0ad7c4ea4cd30383cfc507612202e5f4667ddf1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}