{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102394",
    "entityType": "User",
    "nonce": "0xd1ef67cc96f6f8ba45a2f59e62479eb514714550188f600e6ab93618683099e6",
    "signature": "0x3c310f828172e70d8f8026dc2261ed253877e909c55f4c3a3cd7c130c590378544ae7254f445422593e2645be8542eaff2f293971e2bf7c6623cbd81dab010951c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}