{
  "manageEntity": {
    "action": "Update",
    "entityId": "336778506",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbe27fab53f89404e64a4790ba6cc581ffb1028b3d7a68c1cd1f1f3bb9002927c",
    "signature": "0x84571ec6d94eda8759a1ca9a6f70443054d4ba752d84c564f97da9d721bea439479d92a1c70e538d950e547f29acc06a5a68a5d4639750050eab0e593c045cda1b",
    "signer": "0x0e726Ef92E0b3F83989E4Dc3f72E53dd1352Ada5",
    "userId": "336778506"
  }
}