{
  "manageEntity": {
    "action": "Update",
    "entityId": "629503765",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa9b4f48a765143b4655773b1b7f44f8b5d38db0a7c78230e1a5a9c4073a951f0",
    "signature": "0xaaff7a00edc14e32776c40df4ca5e13bfb01d1607be1b73a2dc88d2f3288a2a02b2159234baa9e6baab645438be185440afe491bc606f443f592ba9d5f63dd1a1b",
    "signer": "0x6B313576F2213978b6dEA8CfA0a7164726e00A0A",
    "userId": "629503765"
  }
}