{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49797",
    "entityType": "User",
    "nonce": "0x76d553df260b75a2c5a52bc395c1255f473e2dd025c431bddc1c89695c640bee",
    "signature": "0x29d8afd6aa9001772b0442e6b753fda58bef04bc08fe273d217d7cfde0c8deb23266e0568a3ef6a01c0741b431f7a45f5e1accf661ce554a4fb1d3ff60aa21711c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}