{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3984",
    "entityType": "User",
    "nonce": "0xd67f7d27c547589526bc97b832f9d18e03bb5197b432c2f2b8b37f6185d3ecbb",
    "signature": "0x1ad2d9f0310101348855ab825d74fb295b90280259f88dd6ed765a74007df9621add16c055be07eb4adf714cd5e27f784728af0695df313788a062558ce24f8e1c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}