{
  "manageEntity": {
    "action": "Update",
    "entityId": "36647701",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xdb21e0e26aaf5fe3fb455957a8a2011354ad13ef1cef0cf170f5e864223752e2",
    "signature": "0xd72ea2dc79a8a32487632b3bc7f098b9f4ef3752381900e1639a67f130d7689738dee32d1c13648efe65e4d289f2900d0afe31ad7c0883e7b1d30a8abf3a86cb1c",
    "signer": "0x9a2123e4f1f72df43f9a2EE66626bFDDEc0cd836",
    "userId": "36647701"
  }
}