{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948644,-0.316346,0.000000,0.000000,0.176416,-0.529029,0.830064,0.000000,-0.262037,0.785784,0.560250,0.000000,-1673066.576628,5017112.335385,3553164.454312,1],    "boundingVolume": {    "region": [1.892624,0.594576,1.892720,0.594799,0.000000,8.799331]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1215434.b3dm"}}}