{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x7c523384ef8f01a1eb3600dc57afb1bb9bbe6be3bf9683129025a06cc06ba0cb",
    "signature": "0x4e5fe8b7e3c91700dd221da21640ef45ad3b84a314ea78bcee695fd733e0d48e483422479558d73a1b3a2d51d2e8e61a4db13f63c2ff015666ccf6fb414b00981b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}