{
  "manageEntity": {
    "action": "Update",
    "entityId": "794549042",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraocguow66svn6cdwmxmrcf6zt2winysdddgussfg3zlvkyim2ql7q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":692976886},{\"type\":\"playlist\",\"playlist_id\":1900372724},{\"type\":\"playlist\",\"playlist_id\":1558989621}]}}}",
    "nonce": "0x73b1d59032f7683b2a14125457063d468da6537469f8c9517ca9586b8b387ff9",
    "signature": "0xc9889e87b331f77b6ab7eded9c0ab7b7535c280744d40373dec0af38c728d2a72133b393ccb7aecdb53a793c266b8dfe2529ab64c04598c6c2eead76225ab6ea1c",
    "signer": "0xDcB9c7a7328fEF969b183B16F413686f370457f3",
    "userId": "794549042"
  }
}