{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949640,-0.313344,0.000000,0.000000,0.175147,-0.530811,0.829195,0.000000,-0.259276,0.785778,0.561542,0.000000,-1655445.295831,5017096.500682,3561375.501645,1],    "boundingVolume": {    "region": [1.889459,0.596207,1.889558,0.596289,0.000000,14.528207]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/12_1443910.b3dm"}}}