{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xdb839d6026ddcbaefc7f43bcc0e090252b10e550084a5575056f633ae345f051",
    "signature": "0xa72118106d534619adb2b89962b85249e4d79e574f3c7b827d009e1b0a95553e6f8648458ecddb3dd12d2e5ef4e71f952b9ba7104defa81c76f8c0b3758ff5281c",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}