{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949825,-0.312782,0.000000,0.000000,0.174834,-0.530919,0.829191,0.000000,-0.258810,0.785928,0.561547,0.000000,-1652468.240288,5018055.196984,3561407.182898,1],    "boundingVolume": {    "region": [1.888831,0.596152,1.889002,0.596357,0.000000,29.576520]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1438931.b3dm"}}}