{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871356,-0.490652,0.000000,0.000000,0.211801,-0.376140,0.902031,0.000000,-0.442027,0.785001,0.434034,0.000000,-2821085.842478,5010003.835294,2751534.750198,1],    "boundingVolume": {    "region": [2.083578,0.448926,2.083690,0.449007,0.000000,50.372445]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_221366.b3dm"}}}