{
  "manageEntity": {
    "action": "Update",
    "entityId": "954424611",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierabpnbulye6qiqprulrtt2ryzwz5orikgu7vsbotlqz7v3d2n3bkhq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1163281141},{\"type\":\"playlist\",\"playlist_id\":2087558517},{\"type\":\"playlist\",\"playlist_id\":1581111995},{\"type\":\"playlist\",\"playlist_id\":402820308}]}}}",
    "nonce": "0x17a58fbe7007c21f6b253a05239fb75764b047bb3d7b0a2f38391b67e0620f43",
    "signature": "0x0b7db77120d3754483407bdc425a4ed09038af058dd99af9147d52188bb8f30f15211575a7ff9e37ea194d1a6b7a4edc90e8cf902bfbd59723d49827756f17c61b",
    "signer": "0xB4a33731431983E37a1536694FD9f1D14d0EdDDc",
    "userId": "954424611"
  }
}