{
  "manageEntity": {
    "action": "Update",
    "entityId": "562782677",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x464773dd449b51b4cca707f0e98b5d335d5b42363a15267248c1509b670cba30",
    "signature": "0xd8e297cca391fc1eb2ac7b1aa59ba4480fde40c0c633a7bf0250de23e613c3b175b7d85bfe3f22363faa038f644f39e9c3ed58672eac9acd0137b41a1e18a7e61b",
    "signer": "0x580E4Fca546A25423Ed8677f42d794506710a60b",
    "userId": "562782677"
  }
}