{
  "manageEntity": {
    "action": "Update",
    "entityId": "42279084",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa279943658c6c745c41c11ed7302a4b998c4320b651f6380e3748fb24832151c",
    "signature": "0xb1fcab0ac3cda6dfeb3c018bcb8d5dfd7c5a77061842a7ad382bd1859aa82bbc5c25cf8eda85275164ee38a8ed310588e0aaef6298189101ffcab2b9d28b010f1c",
    "signer": "0x6746c13B1a3E2e4560a4371410C3C69854F63E87",
    "userId": "42279084"
  }
}