{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134943",
    "entityType": "User",
    "nonce": "0xa493fb7dc1e24a9ca24a7a5feb7cd97590612bf8d1e886b2f309df7875bafb88",
    "signature": "0xd9d41c7aba83247a148576eae25fa83a06e8e801e6bc524115405dea9ec75fe8483ad31414459d778e426b0bd59d550c1385df76241a41b0b50a9d589631bebc1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}