{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104812",
    "entityType": "User",
    "nonce": "0x6fd53cc9da787311a1e3b8d09e04ffeaf11275b703d42a1b676404e120506b98",
    "signature": "0xcf4f568b1751bca0ec53c387af746a9a5290c693c97be74aa28d0aed0deb4e6b40d29d59f000d2cedb9b57f362b202d8e233166fd01a225a720d6db5f48bf8a01b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}