{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72359",
    "entityType": "User",
    "nonce": "0xf8310ca1acf64a4a50b21a6b46784fe0ba5a944e93aa4e055f16b9d038458b55",
    "signature": "0x97763845ba329fc4ca2151aeb025862777a2cb783c7257558079ae6a5c8c8fcc75b3929cf1095a0ae0cb55bf6f6292bdbd96089d5768889faab9a1fc30d3717d1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}