{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "484111371",
    "entityType": "User",
    "nonce": "0xc75e2e062836756ed22e76fa20fa25993596c31e83758453cc583e9f43620f41",
    "signature": "0x184bf1339cb5c1ad5d8092c5cdb220c5d1744a416cd0e5e1fc8ee40c7e6addd85774ae06bc5e6924235157dbfd2d5c0a96ab1147de57c23959512a3870622fe41c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}