{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "224055",
    "entityType": "User",
    "nonce": "0xbe2ce9a015d65a8542a66803f63b7fea81425e0974a686bc54e348d18dc8622e",
    "signature": "0x6807721e818b77ef5de8b22c508edc1dbcc76e40f5f9968d4925c1381c0ce637757d980fc1c60738a5c087e06747904594e902f0b558504b61df5af6f80c1b821b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}