{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857940,-0.513750,0.000000,0.000000,0.262841,-0.438933,0.859216,0.000000,-0.440643,0.735855,0.514151,0.000000,-2812971.790503,4697541.362433,3260259.249963,1],    "boundingVolume": {    "region": [2.110264,0.539955,2.110428,0.540080,0.000000,23.589700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_342427.b3dm"}}}