{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x02622e6f42d5c5bc2cd5a30a75be37999341f96e022da4719ce0b65c8e75e22e",
    "signature": "0xd11056640d7d20ba6e07ea05b125cd7d2e9bc5da2c81c8a98ef15f9c03e0aebd7aa2be1a44a633f287abb08840ea9bd6a20c9f052c59f7db54db9eb50426fe6c1b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}