{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195175",
    "entityType": "User",
    "nonce": "0x9b0fab55523db54ea66a64735a29e697870f8d1a17d808f527c6e706db9f107e",
    "signature": "0xc344a4decc48ccd39029db2de9909bd3dd476dd401788842e118454ed8663b7335829af8c5e10b136b23cfff50b1256cff45e5c227711de56a745a654cb0cd7a1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}