{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950292,-0.311359,0.000000,0.000000,0.173779,-0.530387,0.829753,0.000000,-0.257809,0.786853,0.560712,0.000000,-1646072.773896,5023943.394454,3556099.291501,1],    "boundingVolume": {    "region": [1.887369,0.595187,1.887469,0.595304,0.000000,8.748829]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/8_1454270.b3dm"}}}