{
  "manageEntity": {
    "action": "Update",
    "entityId": "758566497",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa320a6d8ea146092822b2dc8a86bba3c882fbd9f6961216c12ac8f014e4e495c",
    "signature": "0x9038601b2be5fbfc739f40e043a0c761cfbb33b66a63549aa2d16882ec751b944f655a6dd0fecefcdcef66267c3932ad0e49cbb9fbdff3e54c704c1f6599affe1b",
    "signer": "0xd98BdC1941D7f6C69709E8B28d51048957E3304a",
    "userId": "758566497"
  }
}