{
  "manageEntity": {
    "action": "Update",
    "entityId": "760122156",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieradm4qcqo54xugbei2g52pjkgxhnck2nfsqkzkp6z7cji2cjxgheqa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":510331271},{\"type\":\"playlist\",\"playlist_id\":1843308620},{\"type\":\"playlist\",\"playlist_id\":781755736},{\"type\":\"playlist\",\"playlist_id\":1671177538}]}}}",
    "nonce": "0xd5cc359f590355b72e31fc196decd2276da7c90d74a7aa336bfd32e411b5b1f7",
    "signature": "0x533947ad0f030770d3ded267a63eab40b9d8bb902cc49b403bf817ac6e8f6cd12fa6080fa89c41bce533bec2a2bdbd199386986c8cdd9f0654fd7f7f4dd5bf791b",
    "signer": "0x4AaEFEc5eDa9eFaA2090e939ABCc15d777818a0e",
    "userId": "760122156"
  }
}