tendermint/test/p2p/data/mach1/core/config/node_key.json

{
  "priv_key": {
    "type": "tendermint/PrivKeyEd25519",
    "value": "BpYtFp8xSrudBa5aBLRuSPD72PGDAUm0dJORDL3Kd5YJbluUzRefVFrjwoHZv1yeDj2P9xkEi2L3hJCUz/qFkQ=="
  }
}