{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x2552fbc42064084518693bca5504b6b2abbfa93bc1ec9df2ab22c028dd8335ec",
    "signature": "0x9966fc0702bb6fea58749ba06a49aca8cf7d59720c9af0f11d3904c0abcc7129624979d6ab97c3d3f0d133a3ca36023774f25a800500914c79e2129196c3799c1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}