{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x3815a5c752bbc3db1d3f324cefb6ea690eff34b148c077c6c5685ec510160db1",
    "signature": "0x42dc87f4c85800c3454c7ad3d1a6de0fa01ac94d3719985b266587daee3f701679891760565ae1d4a03d9d23da965e6326df1efaf7144e9757f734685132463b1b",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}