{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x30da622c40a7bcbffc79efc16452a111793ec9326389baee28b536262b01736e",
    "signature": "0x3e88375c070f22d0fe8bf5a949e418b68eaa331887e8d02da2c8cf73a3761505449430165d7b009a68bb5fe6e7ccb618c718ef9bee63e8e3e88b47adb99d27b01c",
    "signer": "0xa6Ef6c60F45b6De4fceCddbF897d2a87F70802f3",
    "userId": "363745917"
  }
}