{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xdc4c3ce4cb3d3c575453bec71b8ac88bb0ec05bad456498441f35a797622d84c",
    "signature": "0xbcdacfd50351c6ddc69a9153dde1452375b7569272c1a3dbfedd428df51724f746371494faa5bcc7944f80d772496409c73b2a0456bcafb5c3de5c68c447efa51c",
    "signer": "0x674FFC02F71bdD4bD3Ae60c618579EBDD541E397",
    "userId": "787787230"
  }
}