{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "632950658",
    "entityType": "User",
    "nonce": "0x71db8085e5e5252686feb69ed9416b2a3c0c69f02d1e16de1a9c71d01a630d99",
    "signature": "0x0dc4676c8fd67b8bd1628303316e8a56a60ab2ad45c5fcbf1184732ff7a93f161dfd0ab0b382dd43f67a7171f44538e52193db91fdf17da2882edb3385a7e66a1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}