{
  "manageEntity": {
    "action": "Update",
    "entityId": "254836370",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x81c8dc0602ce88fa1709b0cc41c446b3e4aae3708002b1d0c0d640bdf9ffd3d5",
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    "signer": "0xB0d022D97AC89B56CF1dAd5837F0549EEbA46860",
    "userId": "254836370"
  }
}