{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1425369",
    "entityType": "User",
    "nonce": "0x5f72b377eb2a0084d792d420d2f824b255778afef92bf9c02144081e1caae073",
    "signature": "0x8674ab9229a48f9ca81beba26936505590eafccb115dfd682d3a87f710467ec5516bbaa581adbcf080d8dbd94c86d8a45c88b2ea899a5e1b258a40c22ce3ba6c1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}