{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "964899801",
    "entityType": "User",
    "nonce": "0x1609c405733ad99bec67017f92f31cc75c676e872810e8635f88ad6f541facdd",
    "signature": "0xbedd426e25a171d7ff2c1cf7fec5a053ad3e8b8fefd524dad14fe8b34e13f51368eadc95350c59abca047f1564309c19c115f8f4ed1286cd30b710131a7e684b1b",
    "signer": "0x019c1Ea6f901A4f7AeAa1daD2842a34Fdf9A9FB2",
    "userId": "798348033"
  }
}