{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97643",
    "entityType": "User",
    "nonce": "0xb1fcd41b418d3a4e6b22da3faeda088fab363c629797ab011d38afac3f803482",
    "signature": "0x94aad6d0582029fcb012a2561057b327e9454d0deb19ac9e02b92d97b8c5e5582d28b8e5f040bb2ca933eec753bea9d228ec514bec00f086ded6dac93cacb8d91c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}