Extrinsic 25686-1

{
  "heartbeat": {
    "blockNumber": 25685,
    "sessionIndex": 428,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x7c6b58223b94fa720167315c032d977e4c46c53f6620c9384db4399bf4f15770bffd92029e788b286d2a289ee2f6fbf4fccebb20f72cd6e93c6ec0b7b77ade8e"
}