{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584724126",
    "entityType": "User",
    "nonce": "0x67cf30dc5490f464896239741763b818e3abcf519da7660b860bc0e26f87d36b",
    "signature": "0x1db7247c979388015545b0cdf1f57469abc4afa9f9fd53b0e6d91677249bda507eada8020e41362e7be350791e43dd4d11399452e57bc7fd6ed9e5f52c6502061b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}