{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x3b71efa5c4e2451e87abb77a75ef630fda90a6ea1c201b5f84322cbe079ddc3a",
    "signature": "0x3a7db7f8714cda343cc8e04759580408406fb243941e72c146bad20149e6d4aa754885c23eeb399f3869ff06bc0d7ad3e6c3321c789c09f5bc5d481b3ab517fc1c",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}