{
  "manageEntity": {
    "action": "Update",
    "entityId": "91908282",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc8120d6e4ad70599528eab309a3c3400477bda2d7e1c4df5c6d6d5a148a27285",
    "signature": "0x39480668bfb7c0f739036c52e848e0c6f659e710a098d432bd4d5ea0f258174a588d25d63a15c7967e48f8e991a11ee6cca7ae4da81faf1e015596981c8052961b",
    "signer": "0x36669D4fDbFdE8662903FCfccC0Faf3a20EAe152",
    "userId": "91908282"
  }
}