{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "98061906",
    "entityType": "User",
    "nonce": "0x638eb3164f64e8e1a5543636372825c387ed4a7f7c9f03095694b7dd93dc81fb",
    "signature": "0x4e4ef1290c72c72bcdd4582b026f4b9d84207d532ffc869d74579c62e1f9b69a698ed2b6330c68b8ae1038a022a1f23e0c741d0432056923587939d8964e0e651c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}