{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x8a9b76306f6cabfbeb8d113dc226f1e3203c30b44cd5755b633dd2bd39e310d1",
    "signature": "0x88544ccbdd5b1a0ccff72df9a39991d1195d7c73cf97c295dd1e760322b6a825775e5bd1cb4922aadaa6a2eb437aeb7c73e1428ee24a3bed0f3e858b2166cc281b",
    "signer": "0xAEc4BA229696a4DAe2125cD32943943AaCa0CaF4",
    "userId": "354024696"
  }
}