{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897499,-0.441016,0.000000,0.000000,0.283264,-0.576462,0.766455,0.000000,-0.337080,0.685982,0.644831,0.000000,-2152940.291341,4381386.244245,4090982.901821,1],    "boundingVolume": {    "region": [2.027464,0.700767,2.027590,0.700836,0.000000,12.372467]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/10_860138.b3dm"}}}