{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101330",
    "entityType": "User",
    "nonce": "0xb0a0cecf629d8fc1d7aab609d626eb810eca7acad580cd947a8373cfbd7fd430",
    "signature": "0x97206f67b21de157622579a9fece3c23402fa231d798adc1f7da7abfef55abe14660c42e4bc91cb1ee0631e41172e02ded3c2baa76176d18b5776b8d9457a7b51b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}