{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xd446050b99c3740cf79afe5bfb0eebcd5fbda35058c4627aa568161a484a606e",
    "signature": "0xaf54750806b470556c4665be9bc1a381c4f83a56a6f436017b296e2719c4a437597f91293619c699948106cfc1feef6eda60fe6363e5f9683afd1f1d9de2f7641c",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}