{
  "manageEntity": {
    "action": "Update",
    "entityId": "233794474",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7ff976944a231e0078df1f363061422ba5aee8d90a47ab3591a4870ba148666c",
    "signature": "0x3f23606b2e6d3628e01079b671cb008c6ba85c665597947bdf4cc79c4df126c258bac15f57f15bac7428283d1adf0c07c5e9ab5eaa008a24ac8eafdcbca1a5281c",
    "signer": "0xe1bD810eC1F3B2421a94AEC1D909e87d69795851",
    "userId": "233794474"
  }
}