{
  "manageEntity": {
    "action": "Update",
    "entityId": "40456963",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x11fcb6eabe5ce02c60302f9168dbdd119c186f17a5011b5e4e9529d49f8d108c",
    "signature": "0x9dccc607eb9abbddcb236e7d235e3177fea1d4b2d30dbf9f892dd2eb0c2297b22d1cb1d05cfd484ea43b8c72b66bc485151d4131576a11f3d8edf3ddc9f441ed1c",
    "signer": "0xc03B0DC91D4dd69BB843F957bAe8D3B7aA1317EB",
    "userId": "40456963"
  }
}