{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354403",
    "entityType": "User",
    "nonce": "0x76c33f8b84bf5e36583476fe240a4e3220597a722e9caa6ae31a5348937b7065",
    "signature": "0xdadaa0aacd4c682c1fca8cf3082a7be1a69b50c8e9ec149a3da4e964c301f72536585645e567c6fbfdeebac4a76df5ba5e4289a0998039e34c3efb3a9e352b7c1b",
    "signer": "0xEb03eddF22D77AFCC8fE6a9838FaA0Af3a849AE4",
    "userId": "192881451"
  }
}