{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120303",
    "entityType": "User",
    "nonce": "0xb116eba2752c0c659b5b30cea8a43ec04c9f7e72578fdbbbd0a723eb475c6490",
    "signature": "0xbcf1cd94617db2dc41300534c5ec1ee838ed2fcae7cf97dbf480c557c44a34f3773b6fd51aef30a0b6e1c976ae39ece3a378603eff9a20960a7694e9ed6d39f91b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}