{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "870640566",
    "entityType": "Notification",
    "nonce": "0x7d2a950780a37d5089bb43b72d380201060c4881f8024dd0707f9d01949fd974",
    "signature": "0x2f135f34051cba8373e6108f3df467fc678dd340cd6344cc341639a1f1755f1a4b66690850abc73758c769ce6bb9ff79dcc0f7eab5d3337b393a8c92c26464fb1c",
    "signer": "0xC0E31aa3da2f4D108C94a5CfaD902F8418e330E9",
    "userId": "479914536"
  }
}