{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950530,-0.310631,0.000000,0.000000,0.173410,-0.530633,0.829673,0.000000,-0.257181,0.786973,0.560831,0.000000,-1642065.637991,5024713.111641,3556859.167598,1],    "boundingVolume": {    "region": [1.886596,0.595332,1.886711,0.595447,0.000000,8.658960]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1345189.b3dm"}}}