{
  "manageEntity": {
    "action": "Update",
    "entityId": "964025330",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x58dc58154a89b0adf61d11ba07d140f47d3e77f8c7ef2edc2a075c7d64634687",
    "signature": "0xc57d2bfc69b2ad88483e8dd62da137f8586f57f373c6e0758ae50546b454f91a55badccd78de9c8b2a583120bd294902086e6341b0d51fdfeb1d5bc1f40741891c",
    "signer": "0x18e80443A33c763307bac21D4Ec54B381DFC58cA",
    "userId": "964025330"
  }
}