{
  "manageEntity": {
    "action": "Update",
    "entityId": "864530018",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera5y3qggha3wvsquuxgnjo44wv5ryg6fq6bck7sdb26naqfk6nab7q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1742093109},{\"type\":\"playlist\",\"playlist_id\":836667750},{\"type\":\"playlist\",\"playlist_id\":1078136389},{\"type\":\"playlist\",\"playlist_id\":775052428}]}}}",
    "nonce": "0xbf251ed87256a137e01aecea7e5145d88a3efa44a4beffaf9ac7bccfdf20941a",
    "signature": "0x2af739b57341b066a4c3582b8be723c512c7152ed40cb4b7199c22bce381c03e27a202c9b572e8e35432fb069ec2f661cd0c0eddcf8134ded22d7616a03e72ce1c",
    "signer": "0xeDE6cf2daA6681F46907C46194f3142e0C9ba4c0",
    "userId": "864530018"
  }
}