{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943988,-0.329980,0.000000,0.000000,0.184445,-0.527651,0.829195,0.000000,-0.273042,0.781102,0.561541,0.000000,-1743337.161570,4987241.115348,3561369.647740,1],    "boundingVolume": {    "region": [1.907031,0.596189,1.907126,0.596304,0.000000,8.804748]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1300511.b3dm"}}}