{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1936520",
    "entityType": "User",
    "nonce": "0xdca44f928161e4d37a2e820d67a2b7c0718a05d4badf8ff03b26d2c9f4519ce8",
    "signature": "0xd11295f83c91dbcd138b9b0cbb042654daf9daa6d74f231da478d3782c20e8091167fcd82c82a749971c9191adb7a69884a7b66c4bb457809dfc31f17f485b9e1c",
    "signer": "0xbF01d3816a6F4764Da6dF0CeFC8C48EEFdABB333",
    "userId": "419795889"
  }
}