{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xdcaaea5a5edf2c422caa1d3b38c09755a2e5586588f2071cab9c8aea45d66983",
    "signature": "0x66da3b8f2fbbdf625adceb50368ffc67aa67a43e9c3ebb1b28953c31bc6f0254058d7f078a4f91dafa6e0672935276dad03ff6e1b453192fa5c30eed6b556c971c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}