{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1596",
    "entityType": "User",
    "nonce": "0x215e6b190208e28d93a926e7290d41cae18dc46f7a585234e5f0330ae342562d",
    "signature": "0x9c3ad907b6eacef22f5d1593792331f9818553bbd32834f0610b7e37fdbcf99165fd2a560c42882f558bf352e3c5f42f32c2550975fc7fd41011f85e726dad801b",
    "signer": "0xD6af0C8ACa4F65cbFa489185784cc401F1218666",
    "userId": "529296046"
  }
}