{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396866",
    "entityType": "User",
    "nonce": "0x3bce35bb66b5fd57a3127599e69064f6556b16be051436f31bdc4fb2d964c56b",
    "signature": "0x548925a4270309959c0e7d0ed76eb8135dd4dea34dba28590118b9c4a7a6d4fd3fa30a2f89a26a773d87c5328914f372d4e6f8391a24420fe2a4b825967a1e221c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}