{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0xb29dfcae26db49225cea3784ec65084b47d66129a1fced181e2cc997f52438cb",
    "signature": "0x242257d089486cf3fa390351ebeedd1df70673bafb8de46c96701fa94b623a9744b1e0bea1f86f2374d3a33db36c4ce572c4ffffcab90c175a062047ab19a0621b",
    "signer": "0xd9a47b8A6dDFe9cDf13B450f9cD0b88aB0bEd2E4",
    "userId": "864370189"
  }
}