interface IdentityJson {
    id: string,
    publicKey: string,
    signatures: {id: string, publicKey: string},
    type: string
}
interface LamportClockJson {
    id: 'string',
    time: number
}
interface LogEntry<T>{
    hash: string,
    id: string,
    payload: { op?: string, key?: string, value: T},
    next: string[], // Hashes of parents
    v: number, // Format, can be 0 or 1
    clock: LamportClockJson,
    key: string,
    identity: IdentityJson,
    sig: string
}