{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949216,-0.314626,0.000000,0.000000,0.115942,-0.349792,0.929625,0.000000,-0.292216,0.881606,0.370650,0.000000,-1864649.196472,5625588.974602,2349311.936419,1],    "boundingVolume": {    "region": [1.890804,0.379651,1.890913,0.379767,0.000000,38.546270]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/19_75449.b3dm"}}}